News Headlines
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
45°F
7°C
| Humidity | 48% |
| Wind Speed | NW 8 mph |
| Barometer | 29.73 in |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 11 Jan 3:56 pm EST |
Extended Forecast for
Central Islip NY
This Afternoon

High: 42 °F
Chance
ShowersTonight
Low: 28 °F
Chance
Showers then
Mostly ClearMonday

High: 41 °F
Mostly Sunny
Monday Night

Low: 30 °F
Partly Cloudy
Tuesday

High: 44 °F
Sunny
Tuesday Night

Low: 39 °F
Mostly Cloudy
Wednesday

High: 47 °F
Mostly Cloudy
Wednesday Night
Low: 34 °F
Cloudy then
Chance RainThursday

High: 42 °F
Chance Rain
Detailed Forecast
This Afternoon
A 30 percent chance of showers. Partly sunny, with a steady temperature around 42. West wind around 11 mph.
Tonight
A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 28. Wind chill values between 20 and 25. West wind 13 to 15 mph, with gusts as high as 33 mph.
Monday
Mostly sunny, with a high near 41. Wind chill values between 20 and 30. Southwest wind around 11 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 30. West wind around 7 mph.
Tuesday
Sunny, with a high near 44. West wind 5 to 9 mph.
Tuesday Night
Mostly cloudy, with a steady temperature around 39.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
A 40 percent chance of rain after 1am. Cloudy, with a low around 34.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 42.
Thursday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A chance of rain and snow. Partly sunny, with a high near 37.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Central Islip NY
40.79°N 73.2°W (Elev. 98 ft)
40.79°N 73.2°W (Elev. 98 ft)
1:42 pm EST Jan 11, 2026
4pm EST Jan 11, 2026-6pm EST Jan 18, 2026


